Crown IT4x3500-HD (Speakon) Four channel tour sound amplifier with BSS OmniDrive HD processing


Inside and out, the I-Tech HD is one of the most technologically advanced professional touring amplifiers on the market today. Building on the decades of innovation, invention, and insight Crown is known for, the I-Tech HD features five new patents – three on the power supply alone – giving you an amp that goes well beyond the expected.  


At the heart of the new I-Tech HD is the BSS OMNIDRIVEHD™ processing engine. Four times faster than its predecessor and featuring Linear Phase FIR filters and LevelMAX™ limiters, OMNIDRIVEHD provides unmatched clarity and sonically pure signal processing.


Key Features


  • True Power Density - Crown amplifiers run louder, longer, and with higher fidelity than competing amplifier designs. The I-Tech 4x3500HD is no exception, with four channels of patented Class-I technology packed into a compact 2U design.

  • DriveCore - A culmination of nearly two decades of R&D in PWM and switch-mode amplification, DriveCore™ is a Crown exclusive that combines hundreds of parts into one chip the size of a your fingertip, resulting in more efficiencies and unsurpassed reliability.

  • 4 In/4 Out - each amplifier is capable of independently driving up to four separate zones with a full suite of processing options on each channel.

  • OmniDrive HD - the latest programmable studio-grade 32-bit Sharc® processors with enhanced SIMD architecture and a proprietary D/A output filter for improved signal-to-noise at least 6 dB quieter than outboard DSP

  • Universal power supply with Power Factor Conversion technology

  • Greater than 90% efficiency at full power

  • Five year, no fault, fully transferable warranty



  • (20Hz-20kHz)

  • 2 Ohm dual2100W

  • 2.7 Ohm dual 2200W

  • 4 Ohm dual 2400W

  • 8 Ohm dual 1900W

  • 4 Ohm bridged 4200W

  • 8 Ohm bridged 4800W

  • 70Vrms 2100W

  • 100Vrms 2300W

Crown I-Tech 4x3500HD (Speakon) Four-channel, 4000W @ 4Ω Power Amplifier

  • Channels 4 inputs, 4 outputs (Analog, AES 3, VDrive, CobraNet)
    Sensitivity Adjustable in 0.1dB increments from 1.28Vrms to 8Vrms
    Damping Factor > 5000
    Signal to Noise Ratio ≥ 108dB
    THD (full rated power, 20 Hz - 20 kHz) 0.35%
    Frequency Response ± 0.25dB
    Intermodulation Distortion (from 0 dB down to -40 dB) 0.06%
    Crosstalk > 80dB
    Common Mode Rejection > 80dB typical
    Dimensions 3.3" x 19" x 16.95" (8.9 cm x 48.3 cm x 43.1 cm)
    Net Weight 29 lbs (13.2 kgs)
    Power Connector 32A powerCON (on amp) - L6-30 plug (into wall)


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“By far the best service I’ve ever experienced. I was importing a product to Canada and the whole experience was quick, easy and seamless. These guys really care about running a good business. Not to mention the price was cheaper than the stores here even after importing. Definitely will do more business in the future.” 

—  Philip Manzon

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